llXViu, GENEBA OP EEENS : § Microaoj'ium.—Free veins numerous, divaricate; sori scattered, often minute, sometimes obliquely sub-serial.Ex.: P.irioides(Polypodium,Poir.^ P. sessilis (Polypodium, ,ZZ/s.> P. polycarpa (Polypod. Cav.) P. musiefolia(Polypodium,PUP. heterocarpa (Polypodium, Bl.)P. myriocarpa, Fresl,P. tenmloris (Drynaria, J. Sm.)P. rupestris (Polypodixim, Bl,) § Flewridium.—Piee veins numerous, divaricate; sori large globose ob¬ liquely uniserial between the veins, i.e., in lines parallel to the veins.Ex.: P.crassifolia(Polypodium,£iit.J | P. crassinervium (Polypodium, Pi.; § Fhymatodea.—'Eiee veins numerous, divaricate; sori longitudinally serial, ie., in lines parallel to the costa.Ex.: P. rhynchophylla(Polyp.a-ft./i P. Grevilleaua (Polypodium, Wall.) P. pustulata (Polypod. Forst.) P, glauca (Drynaria, J. Sm.) P. longisBima(PolypodiuinPZ.>P. ovata (Polypodium, Wall.)P. Griffithiana (Polypodium, Sk.)P. Billardieri (Polypodium, Br.)P, lomarioides (Drynaria, J. Sm.)P. angustata (Polypodium, Bl.)P. phymatodes (Polypodium, Lin.) § Microgramma.—Free veins numerous, divaricate; sori oblong, longitu¬ dinally serial.Ex.: P. persicarisefolia (Polypodium, Schroder.) § Allofhecium.—Free veins numerous, divaricate; sori punctiform or oblong, variously directed, scattered.Ex.: P. pteropus (Polypodium, Bl.) I P. grandifolia (Polypodium, Wall.) P. tridactyla (Polypod. Wall.) \ P. maxima (Drynaria, Brack.) § Arthromeria.—^Pinnae articulated; sori longitudinally serial; free veins numerous.Ex.: P. juglandifolia (Polypodium, Don; P. capitellata. Wall.) P. apoda (Polypodium sessile. Wall., non Klfs.)109. DRYNARIA, Bory, Ann. Sc. Nat. v. 464, t. 12—14 (§) ; J. Smith, SooTc. Journ. Bot. iv. 60. Polypodii sp,, Auct.; Phymatodis sp., Freal. Sori non-indusiate, large, rotundate, or by confluence elon¬gated, sometimes immersed; the receptacle produced on thepoints where several reticulated veins join, i.e., compital. Veinspinnate prominent, from a central costa; venules compoundlyanastomosing in two or three series of irregular quadrate areoles,within the ultimate of which are produced free divaricate sterileveinlets. Fronds pinnatifid or pinnate, dimorphous, the sterUe shortsessile, queroiform, strongly veined; the fertUe many times